Electric kettle



FIG. 1 is a perspective view of an electric kettle showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof from the left of FIG. 2;

FIG. 4 is a side view thereof from the right of FIG. 2;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof. 

The ornamental design for an electric kettle, as shown. 